A Mutable Log

A blog by Devendra Tewari

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Project maintained by tewarid Hosted on GitHub Pages — Theme by mattgraham

Key security concerns

Concern	Meaning	Mechanisms
Authenticity	Are you really who you say you are?	secret keys, biometrics
Confidentiality	Is information secure and privacy protected?	cryptography
Data Integrity	Can the data be changed or corrupted?	hashing
Access control	Will the information be accessed only by authorized parties?	access control lists, role based security
Availability	Will the information be available when needed?	disaster planning, recovering from crack attack, clustering, data backup/redundancy
Non repudiation	what is the proof of a digital transaction?	digital signatures